The TreeSet class is built upon a backing instance of the TreeMap class. Discuss the advantages and disadvantages of this strategy for reuse.
What will be an ideal response?
By using a TreeMap to implement the TreeSet class, much of the common functionality can be shared. The TreeMap has more complex functionality, but by keeping it constrained to one set of values it eliminates the need for a second full implementation.
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If you do not want the formatting marks to be shown, you should change such settings within the Display options
Indicate whether the statement is true or false
Which of the following actions will open another window of the current workbook?
A) Click the Formulas tab, and then click New Window in the Manage group B) Click the Data tab, and then click New Window in the Manage group C) Click the View tab, and then click New Window in the Manage group D) Click the View tab, and then click New Window in the Window group
An Excel workbook that supports macros has the ________ file extension
A) .xlsc B) .xls C) .xlsx D) .xlsm
The BEST methods for a web developer to prevent the website application code from being vulnerable to cross-site request forgery (XSRF) are to:
A. permit redirection to Internet-facing web URLs. B. ensure all HTML tags are enclosed in angle brackets, e.g., "<" and ">". C. validate and filter input on the server side and client side. D. use a web proxy to pass website requests between the user and the application. E. restrict and sanitize use of special characters in input and URLs.